Bobbin and magnetic core assembly



FIG. 1 is a top, front and left side perspective view of bobbin and magnetic core assembly, showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevation view being a mirror image of the front view shown;

FIG. 3 is a left side elevational view thereof, the right side view being a mirror image of the side shown;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for bobbin and magnetic core assembly, as shown and described. 